• Country
• France

• Manufacturer / Brand
• Ducretet (-Thomson; avant: Fernand Ducretet et Ernest Roger etc.); Paris

• Year
• 1936

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 277475

• • alternative name: SED

• Number of Tubes
• 4

• Valves / Tubes
• 6A7 6F7 42 80

• Main principle
• Superheterodyne (common)

• Wave bands
• Broadcast (MW) and Long Wave.

• Power type and voltage
• Alternating Current supply (AC) / 110; 220 Volt

• Loudspeaker
• Electro Magnetic Dynamic LS (moving-coil with field excitation coil)

• Material
• Wooden case

• from Radiomuseum.org
• Model: R504M - Ducretet -Thomson; avant:

• Shape
• Tablemodel, high profile (upright - NOT Cathedral nor decorative).

• Dimensions (WHD)
• 330 x 390 x 200 mm / 13 x 15.4 x 7.9 inch

• Mentioned in
• -- Original prospect or advert (Courrier de Saône-et-Loire, 15.03.1936)

• Author
• Model page created by Philippe Ragot. See "Data change" for further contributors.

• Other Models

• Here you find 657 models, 522 with images and 286 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Ducretet (-Thomson; avant: Fernand Ducretet et Ernest Roger etc.); Paris